<?
/*
Galaxy
Author:McFog
*/
defined('IN GALAXY') or exit('McFog');

class model_db {
	private $version;
	private $querynum;
	private $link = null;
	function __get($name) {
		switch($name) {
			case 'version':
				empty($this->version) and $this->version = mysql_get_server_info($this->link);
				return $this->version;
			case 'querynum':
				return intval($querynum);
		}
		galaxy::debug('Undefined property via __get()');
		return null;
	}
	
	
	function connect($dbhost, $dbuser, $dbpw, $dbcharset = '', $dbname = '', $pconnect = 0, $halt = TRUE) {
		$func = empty($pconnect) ? 'mysql_connect' : 'mysql_pconnect';
		if(!$this->link = @$func($dbhost, $dbuser, $dbpw, 1)) {
			$halt and $this->halt('Can not connect to MySQL server');
		} else {
			$dbcharset = !$dbcharset  ? 'utf8' : $dbcharset;
			$serverset = $dbcharset ? 'character_set_connection='.$dbcharset.', character_set_results='.$dbcharset.', character_set_client=binary' : '';
			$serverset .= $this->version > '5.0.1' ? ((empty($serverset) ? '' : ',').'sql_mode=\'\'') : '';
			$serverset && mysql_query("SET $serverset", $this->link);
			$dbname && @mysql_select_db($dbname, $this->link);
		}
	}
	

	function fetch_array($query, $result_type = MYSQL_ASSOC) {
		return mysql_fetch_array($query, $result_type);
	}

	function result_first($sql) {
		$query = $this->query($sql);
		return $this->result($query, 0);
	}

	function fetch_first($sql) {
		$query = $this->query($sql);
		return $this->fetch_array($query);
	}

	function fetch_all($sql, $id = '') {
		$arr = array();
		$query = $this->query($sql);
		while($data = $this->fetch_array($query)) {
			$id ? $arr[$data[$id]] = $data : $arr[] = $data;
		}
		return $arr;
	}

	function query($sql, $type = '', $cachetime = FALSE) {
		$func = $type == 'UNBUFFERED' && @function_exists('mysql_unbuffered_query') ? 'mysql_unbuffered_query' : 'mysql_query';
		if(!($query = $func($sql, $this->link)) && $type != 'SILENT') {
			$this->halt('MySQL Query Error', $sql);
		}
		$this->querynum++;
		return $query;
	}

	function affected_rows() {
		return mysql_affected_rows($this->link);
	}

	function error() {
		return (($this->link) ? mysql_error($this->link) : mysql_error());
	}

	function errno() {
		return intval(($this->link) ? mysql_errno($this->link) : mysql_errno());
	}

	function result($query, $row=0) {
		$query = @mysql_result($query, $row);
		return $query;
	}

	function num_rows($query) {
		$query = mysql_num_rows($query);
		return $query;
	}

	function num_fields($query) {
		return mysql_num_fields($query);
	}

	function free_result($query) {
		return mysql_free_result($query);
	}

	function insert_id() {
		return ($id = mysql_insert_id($this->link)) >= 0 ? $id : $this->result($this->query("SELECT last_insert_id()"), 0);
	}

	function fetch_row($query) {
		$query = mysql_fetch_row($query);
		return $query;
	}

	function fetch_fields($query) {
		return mysql_fetch_field($query);
	}

	function version() {
		return mysql_get_server_info($this->link);
	}

	function close() {
		return mysql_close($this->link);
	}
	
	function halt($message = '', $sql = '') {
		galaxy::halt("<pre><h4>SQL Error</h4>\n$message\n\nRelated SQL:$sql<pre>");
	}
	
	function tn($nick) {
		return galaxy::getInstance()->config['tablepre'] . $nick;
	}
}

?>